Read decimals with tenths, count forwards and backwards in tenths, order decimals with tenths.
Number Framework Stage 6
A roll of adding machine paper, or number line on paved area, at least 15 metres lon
Preparation for Activity
Along an edge of the paper roll, mark each metre and label it 0, 1, 2, 3, ... Also mark every tenth of a metre (10 cm). Do not label the tenths. The tape should be at least 15 metres long.
Note. You might use a standard tape measure, but you will need to cover all numbers except metres and all marks except tenths of metres with paper whitener.
Using cards from Material Master 4–23, students working in pairs mark lengths representing one decimal place numbers with pegs, for example, 12.5, then two decimal numbers, for example 13.53, then three decimal place numbers, for example 1.666.